"On behalf of myself and the co-founders, I want to share the most difficult decision we ve had to make since starting Amplitude over ten years ago. Today, we are reducing the size of our global team by 13 per cent," wrote Spenser Skates, CEO and Co-founder, in a blogpost. Amplitude Layoffs: US-Based Software Firm Sacks 13% of Workforce Globally Amid Tough Macroeconomic Conditions.